Doorcheck



Jan. 22, 1929. I

R. A. SHERWOOD DOORCHECK Original Filed Sept. 21, 1927 ff. fl 5297 700007,

INVENTOR M BY ATTORNEY Patented Jan. 22, 1929.

UNITED STATES PATENT OFFICE.

RILEY ALONSON SHERWOOD, OF IBILLINGS, MONTANA.

noononnox.

Application filed September 21, 1927, Serial No. 221,041. Renewed November 16, 1928.

This invention relates to checks primarily adapted for use upon doors to restrict closing action and to prevent the jamming of catch devices, binding, breaking of plaster and the smashing of panels.

An object of the invention comprehends a plunger member located in the path of movement of the hung side of the door.

Another object of the invention contem- 1 plates a resilient element operable in conjunction with the plunger.

More specifically stated the check may be carried by or formed as a component part of a hinged member.

lVith the above and other objects in view, the invention further consists in the following novel features and details of construction, to be hereinafter more fully de scribed, illustrated in the accompanying drawing and pointed out in the appended claims.

In the drawing: Figure 1 is a longitudinal sectional view taken through the invention as applied.

Figure 2 is a sectional view taken on line 2-2 of Figure 1.

Referring to the drawing in detail, wherein like characters of reference denote corresponding parts, the reference characters and 11 indicate plate members forming the hinged connection between a door 12 and a jamb or frame 13. All of the above is of the usual and well known construction incident to that of door hanging and which forms no part of the present application for Letters Patent but which is merely mentioned for purposes of illustration in bringing forward the novel advantages of the above entitled invention.

4 In carrying out the invention I provide an elongated plate member 14 recessed. within a portion of the jamb of the frame 13 immediately behind the plate member 11. Any number of the plates 14 may be em- 15 ployed according to the number of checks commensurate with the weight of the door.

Bolt members 15 extended in parallelism from the plate 14 may also be passed through countersunk openings provided in the plates 11, as illustrated in Figure 1 of the drawings are also extended within a socket opening 16. A plate member 17 being adapted to receive the inner ends of the bolt members 15, the latter being provided with nuts 18 abutting and lying flush against lugs 19 oflt'set at the ends of the plate member 17 to prevent dis placement.

'A plunger member 20 passed through the plates 11, 14 and 17 is projected at one end an appreciable distance beyond the outer sur- 60. face of the plate 11. A nut 21 threaded upon the plunger 20 abuts the inner face of the plate member 14. A compression spring 22 encircling the plunger member 20 within the socket opening 16 has the opposed end convolutions reposing against the adjacent faces of the plate member 17 and a disk member 23 lying flush against the inner side of the nut 21. Ears 24 and 25 extended at right angles from diametrically opposite sides of the plate member 17 and disk 23 are adapted to engage appreciable portions of the spring 22 to prevent binding of the coils or convolutions thereof.

In the event a door is being blown shut the plate 10 hingedly connected with the plate 11 will abut the outwardly projecting end of the plunger member 20 and cause compression of the spring 22 whereby the shutting action of the door will be restricted an appreciable extent whereby the door and frame structure therefor will not be injured incident to the closing action of the door. The device being primarily adapted to pre vent the loosening of plaster, the splitting of wood panels, shattering of glass panels, breaking of plaster and wall paper and last but not least the decided retort when the door is slammed shut by winds, the forerunners of storms.

As mentioned in the foregoing, the check may be incorporated with the hinge and sold as a component part therewith.

The invention is susceptible of various changes in its form, proportions and minor details of construction and the right is herein reserved to make such changes as properly fall within the scope of the appended claims.

Having thus described the invention, what is claimed is 1. A door check comprising a plate member adapted for registration with a socket opening in'the door frame, bolt members carried the plate member being projected for appreciable portions of their lengths within the socket opening, a plate member carried adjacent the inner ends of the bolt members, a plunger rod being adapted for lateral shifting movement through the plates, and a spring member operable in conjunction with the plunger rod to 1101 mally hold the same in a projected position for contacting engagement with the door when the latter is closed.

2. A door check comprising a plate member adapted to be extended over the socket opening in the door frame, bolt members carried by the plate members being extended for appropriate portions of their lengths Within the socket opening, a plate member carried adjacent the inner ends of the bolt members, a plunger rod extended horizontally through the plate members, a nut carried by the plunger rod and abutting the inner face of the first mentioned plate member to restrict outward shifting movement thereof, and a compression spring encircling that portion of the plunger rod Within the socket opening adapted to exert outward tension to the projected end of the plunger rod.

3. A door check comprising a plate member closing one end of a socket opening in the door frame, bolt members carried thereby and projected within the opening, a second plate member mounted upon the opposed ends of the bolt members, a plunger mounted for lateral shifting movement through the plate members and between the bolt members, means carried by the bolt adapted to check outward movement thereof, a disk carried by the plunger, a compression spring encircling the bolt and having the ends thereof engaging the second mentioned plate member and disk, and ears projecting from the second mentioned plate member and disk and being adapted to engage appreciable portions 01 the spring to prevent binding action thereof.

In testimony whereof I affix my signature.

RILEY ALONSON SHERWOOD. 

